BRIDGMAN GROWTH AND STIMULATED-EMISSION SPECTROSCOPY OF ORTHORHOMBIC LUALO3 SINGLE-CRYSTALS DOPED WITH ND3+ AND PR3+ IONS

被引：9

作者：

KAMINSKII, AA ^{[1
]}

PETROSYAN, AG ^{[1
]}

MARKOSYAN, AA ^{[1
]}

SHIRONYAN, GO ^{[1
]}

机构：

[1] ACAD SCI ARSSR,INST PHYS RES,ASHTARAK,ARMENIA,USSR

来源：

PHYSICA STATUS SOLIDI A-APPLIED RESEARCH | 1991年 / 125卷 / 01期

关键词：

D O I：

10.1002/pssa.2211250133

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Formation peculiarities of the metastable LuAlO3 phase and its thermal stability on cooling from the melting point are investigated. It is shown that LuAlO3 single crystals can be produced under conditions near the equilibrium and parameters to grow large size high-quality crystals activated with Nd3+ and Pr3+ ions are found. Spectral and laser-action characteristics of LuAlO3 crystals with Nd3+ and Pr3+ activators of improved optical quality are investigated. Quasi-cw and cw stimulated emission of Nd3+ ions in LuAlO3 crystals at inter-Stark transitions of 4F3/2 --> 4I11/2 channel at 300 K is obtained for the first time. The energy of Stark levels of high-lying states of Nd3+ ions and their intensity parameters OMEGA-t are determined. Pulse laser action of Pr3+ ions in LuAlO3 crystals in deep-red spectral region (3P0 --> 3F3 and 3P0 --> 3F4 channels) at 300 K is excited for the first time.

引用

页码：353 / 361

页数：9

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